[inbound]
  exten => s,1,Answer()
  exten => s,2,Dial(${PHONE1},25)
  exten => s,3,Playback(gail5)
  exten => s,4,Voicemail(u2000)
  exten => s,5,Hangup()

;       exten => s,1,Wait,20
;       exten => s,2,Answer
;       exten => s,3,Dial(${PHONE1},15);&${PHONE2},15)
;       exten => s,4,Background(gail5);
;       exten => s,4,Background(petegreet)
;       exten => s,5,Voicemail(u2000)
;       exten => s,6,Hangup()